package service;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Dustin
 */
public class InitServlet extends HttpServlet {
    private GameServer gameServer;

    public void init() {
        gameServer = GameServer.getInstance();
    }

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            /* TODO output your page here
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet InitServlet</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet InitServlet at " + request.getContextPath () + "</h1>");
            out.println("</body>");
            out.println("</html>");
            */
        } finally { 
            out.close();
        }
    } 

    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        if(request.getParameter("action").equals("Submit")) {
            String name = request.getParameter("username");
            String password = request.getParameter("password");

            if(name != null && password != null && name.length() > 0 && password.length() > 0){
                try {
                    ResultSet results = gameServer.getDatabase().query("SELECT * FROM players");
                    if(results.next()){
                        response.sendRedirect("/Taak_4.4/index.jsp");
                    }
                } catch (SQLException ex) {
                    ex.printStackTrace();
                }
            }
        } else if(request.getParameter("action").equals("CREATE NEW TABLE")) {
            response.sendRedirect("/Taak_4.4/game.jsp");
        } else if(request.getParameter("action").equals("JOIN EXISTING TABLE")) {
            response.sendRedirect("/Taak_4.4/lobby.jsp");
            //update lobby page
        }
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
